CN106451975A - Novel high efficiency double excitation brush generator - Google Patents
Novel high efficiency double excitation brush generator Download PDFInfo
- Publication number
- CN106451975A CN106451975A CN201610981445.1A CN201610981445A CN106451975A CN 106451975 A CN106451975 A CN 106451975A CN 201610981445 A CN201610981445 A CN 201610981445A CN 106451975 A CN106451975 A CN 106451975A
- Authority
- CN
- China
- Prior art keywords
- pole
- pawl
- rotor
- claw
- excitation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005284 excitation Effects 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000000696 magnetic material Substances 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000035699 permeability Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 abstract description 20
- 230000006698 induction Effects 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000001680 brushing effect Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical group N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 244000240602 cacao Species 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
- H02K21/042—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with permanent magnets and field winding both rotating
- H02K21/044—Rotor of the claw pole type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a novel high efficiency double excitation brush generator, which comprises a rotor and a stator. The rotor is composed of a transmission shaft, a N-pole claw pole, a S-pole claw pole and a excitation coil, wherein the N-pole claw pole and the S-pole claw pole are composed of soft magnetic materials, the excitation coil is arranged inside the N-pole claw pole and the S-pole claw pole, and the claw pole of the N-pole claw pole and the S-pole claw pole are interlaced distributed, which is characterized in that a permanent magnetic block is arranged between two adjacent claw poles in the N-pole claw pole and the S-pole claw pole, and one side of the permanent magnetic block closed to the N-pole claw pole is N pole, the side closed to the S-pole claw pole is S pole. The polar claw rotor of the invention, a magnetic induction line produced by claw pole and the magnetic induction line produced by the permanent magnetic block through the external stator at the same time, therefore, the magnetic induction line strength of the external magnetic circuit on the rotor is increased, the power output is effectively increased as generator, the efficiency of double excitation brush generator is improved and a enameled wire is saved. The generator has the advantages that the structure is simple and reasonable; the beneficial effect is obvious, and suitable for application and popularization.
Description
Technical field
The present invention relates to the efficiently double excitation of one kind brushes hair motor, more precisely claw-pole rotor two magnetic poles it
Between inlay upper permanent magnets by rule, to improve efficiency.
Background technology
Existing electromotor major part is simple magneto or simple electric excitation generator, and electric excitation generator has
Double excitations.For double excitation generator versions, a kind of is string lastblock annular magnetic steel on the conducting magnetic column of pawl pole,
Another kind is that magnetic stripe is directly embedded on the pawl of pole, and double excitation generators of both forms are provided to do not having external power supply
In the case of excitation generate electricity, both of these case can only be so that electromotor is generated electricity in advance it is impossible to improve the generated output of electromotor.And
And, it is excessive that the permanent magnet in the double excitation generator of above two can not add, and excessively meeting generating voltage when loading too small is too high
And burn out load.
Content of the invention
The present invention not only overcomes permanent magnet in the existing double excitation generators inlaying magnetic piece can not increase more shortcoming,
And improve double excitations and have the efficiency brushing hair motor, save enamel-covered wire.
The new and effective pair of excitation of the present invention brushes hair motor, and the stator including rotor with positioned at rotor periphery, on stator
It is wound with stator coil, described rotor is made up of power transmission shaft, N pole pole pawl, S pole pole pawl and magnet exciting coil, N pole pole pawl and S pole pole
Pawl is constituted by soft magnetic materials, and is both secured on power transmission shaft, and magnet exciting coil is arranged at N pole pole pawl and the inside of S pole pole pawl, N
Pole pawl on the pawl of pole pole is interspersed with the pole pawl on the pawl of S pole pole；It is characterized in that：The N pole pole pawl being interspersed and S pole pole pawl
Be inlaid with permanent magnets between upper adjacent the two poles of the earth pawl, in permanent magnets near the side of N pole pole pawl be N pole, near S pole pole pawl one
Side is S pole.
The new and effective pair of excitation of the present invention brushes hair motor, the two ends of described permanent magnets and N pole pole pawl and S pole pole pawl
End face flush, the end face surrounding of N pole pole pawl and S pole pole pawl all offers concave station, and each permanent magnets outer surface is provided with
The tabletting that it is fixed, is provided with the dead ring that permanent magnets and tabletting are fixed in concave station.
The new and effective pair of excitation of the present invention brushes hair motor, and the central authorities of described N pole pole pawl and S pole pole pawl are provided with admittedly
Yoke on power transmission shaft, the yoke on the pawl of N pole pole is contacted with the yoke on the pawl of S pole pole, to form internal rotor magnetic circuit；
N pole pole pawl and S pole pole pawl are through stator shape rotor exterior magnetic circuit.
The new and effective pair of excitation of the present invention brushes hair motor, and the material of described stator, N pole pole pawl and S pole pole pawl is soft
Ferrum, pure iron or stalloy permeability magnetic material.
The new and effective pair of excitation of the present invention brushes hair motor, and described magnet exciting coil is self-excitation or his excitation.
The invention has the beneficial effects as follows：The pole claw rotor of the present invention, by adjacent with S pole pole pawl in N pole pole pawl two
Permanent magnets are embedded, so that the magnetic induction line being produced by pole pawl and permanent magnet after N pole pole pawl and S pole pole pawl are magnetized between the pawl of pole
The magnetic induction line producing passes through outside stator simultaneously, increased the magnetic strength line strength of rotor exterior magnetic circuit, effectively increases work
For electric energy output during electromotor.In the case of no excitation, the magnetic circuit of permanent magnets is through N pole pole pawl and S pole pole pawl through yoke shape
Become internal rotor magnetic circuit, externally do not show or only show faint magnetic so that the embedded quantity of permanent magnets greatly increases.
Further, by opening up concave station in the end of N pole pole pawl and S pole pole pawl, the outside setting pressure of each permanent magnets
Piece, and by dead ring, the two ends of tabletting and permanent magnets are fixed in concave station it is achieved that permanent magnets and N pole pole pawl and S pole pole
Being fastenedly connected of pawl, even if rotor long-term work also will not throw away permanent magnets between the pawl of pole it is ensured that the jail of whole rotor
Solidity.
The pole claw rotor of the present invention, improve double excitations has the efficiency brushing hair motor, saves enamel-covered wire, has structure letter
The advantage that list is reasonable, beneficial effect is notable and is suitable to application.
Brief description
Fig. 1 is that the new and effective pair of excitation of the present invention has the front view brushing hair motor；
Fig. 2 is that the new and effective pair of excitation of the present invention has the left view brushing hair motor；
Fig. 3 is the sectional view of Section A-A in Fig. 1；
Fig. 4 is the sectional view of section B-B in Fig. 2.
In figure：1 power transmission shaft, 2 N pole pole pawls, 3 S pole pole pawls, 4 magnet exciting coils, 5 permanent magnets, 6 stators, 7 stator coils, 8
Rotor exterior magnetic circuit, 9 internal rotor magnetic circuits, 10 wire clamps, 11 yokes, 12 concave stations, 13 dead rings, 14 tablettings.
Specific embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the new and effective pair of excitation that sets forth the present invention has the front view brushing hair motor and a left side
View, shown electromotor is made up of rotor and stator 6, and stator 6 is located at the periphery of rotor, and stator 6 is wound with stator coil 7,
Stator coil 7 is realized generating electricity by cutting magnetic induction line.Shown rotor is by power transmission shaft 1, N pole pole pawl 2, S pole pole pawl 3, excitation wire
Circle 4 and permanent magnet 5 form, and shown N pole pole pawl 2 and S pole pole pawl 3 are soft magnetic materials, in N pole pole pawl 2 and S pole pole pawl 3
Yoke 11 is provided with heart position, yoke 11 is offered the through hole being matched with power transmission shaft 1, N pole pole pawl 2 and S pole pole pawl 3
All it is fixed on power transmission shaft 1 by yoke 11.
N pole pole pawl 2 and S pole pole pawl 3 be internally provided with wire clamp 10, magnet exciting coil 4 is wrapped on wire clamp 10, by being encouraged
Magnetic coil 4 is energized, and can magnetize N pole pole pawl and S pole pole pawl.After magnet exciting coil energising, N pole pole pawl 2 display N pole polarity, S pole
Pole pawl 3 display S pole polarity.Pole pawl on shown N pole pole pawl 2 and the pole pawl on S pole pole pawl 3 are staggered, and permanent magnets 5 are inlayed
Between staggered N pole pole pawl 2 and S pole pole pawl 3.
The fastness fixing between N pole pole pawl 2 and S pole pole pawl 3 in order to ensure permanent magnets 5, shown permanent magnets 5 are also logical
Cross dead ring 13 and tabletting 14 is fixed further.The periphery of shown N pole pole pawl 1 and S pole pole pawl 3 end all offers recessed
Platform 12, the outer surface of permanent magnets 5 be less than S pole pole pawl 3 and N pole pole pawl 2 outer surface so that the outer surface of permanent magnets 5 formed recessed
Groove, tabletting 14 is fixed in the groove on permanent magnets 5 surface, and the two ends of tabletting 14 are located in concave station 12.Dead ring 13 is located at concave station
In 12, such dead ring 13 has just been tightly held in the two ends of tabletting 14 and permanent magnets 5 on S pole pole pawl 3 and N pole pole pawl 2,
Permanent magnets 5 also will not be thrown away between the pawl of pole by rotor long-term work.
Permanent magnets 5 can be constituted using the permanent magnetism piece being superimposed together.N pole in permanent magnets 5 is contacted with N pole pole pawl 2, forever
S pole on magnetic piece 5 is contacted with S pole pole pawl.As shown in figure 3, giving the sectional view of Section A-A in Fig. 1, permanent magnet 5 this
Kind of arrangement form so that when magnet exciting coil 4 be energized after, the magnetic induction line warp simultaneously of the magnetic induction line of pole claw type one-tenth and permanent magnets 5 formation
Cross outside rotor, so that rotor exterior magnetic circuit 8 is strengthened, be conducive to increasing as electric current output during electromotor.
When magnet exciting coil 4 no power, whole rotor is externally not show magnetic.As shown in figure 4, giving in Fig. 2
The sectional view of section B-B, when magnet exciting coil 4 no power, N pole pole pawl 2 and S pole pole pawl 3 are not magnetized, and it does not have magnetic pole
Polarity, now, permanent magnets 5 are N pole, are S pole near the side of S pole pole pawl near the side of N pole pole pawl, the N pole of permanent magnets 5
The magnetic induction line sending after N pole pole pawl 2, yoke 11, S pole pole pawl 3, finally enters the S pole of permanent magnets 5 successively.So, permanent magnets
5 are internally formed closed magnetic circuit in N pole pole pawl 2 and S pole pole pawl 3, externally do not show or only show faint polarity, as electromotor
When only have weak current export.Under the control action of exciting current, exciting current is bigger, exciting current produce magnetic induction line and
The magnetic induction line that permanent magnets 5 produce can be manyly through rotor exterior magnetic circuit 8, so that stator coil 7 is generated electricity；Exciting current is got over
Little, the magnetic induction line of the magnetic induction line of exciting current generation and permanent magnets 5 generation can be manyly through internal rotor magnetic circuit 9.
Shown rotor is to have scopiform formula, and the soft magnetic materials of N pole pole pawl 2 and S pole pole pawl 3 is soft iron, pure iron or stalloy
Permeability magnetic material, magnet exciting coil 4 cocoa is in the form of self-excitation or his excitation.
The pole claw rotor of the present invention, so that the magnetic strength being produced by pole pawl after N pole pole pawl 2 and S pole pole pawl 3 are magnetized
The magnetic induction line that line and permanent magnet produce passes through outside stator simultaneously, increased magnetic strength line strength, effectively increases as sending out
Electric energy output during motor.
Claims (5)
1. a kind of new and effective pair of excitation brushes hair motor, the stator including rotor with positioned at rotor periphery（6）, stator is wound around
There is stator coil（7）, described rotor is by power transmission shaft（1）, N pole pole pawl（2）, S pole pole pawl（3）And magnet exciting coil（4）Composition, N pole
Pole pawl and S pole pole pawl are constituted by soft magnetic materials, and are both secured on power transmission shaft, and magnet exciting coil is arranged at N pole pole pawl and S pole pole
The inside of pawl, the pole pawl on the pawl of N pole pole is interspersed with the pole pawl on the pawl of S pole pole；It is characterized in that：The N pole pole being interspersed
It is inlaid with permanent magnets between pawl the two poles of the earth pawl adjacent with the pawl of S pole pole（5）, in permanent magnets near the side of N pole pole pawl be N pole,
It is S pole near the side of S pole pole pawl.
2. new and effective pair of excitation according to claim 1 brush hair motor it is characterised in that：Described permanent magnets（5）'s
Two ends and N pole pole pawl（2）With S pole pole pawl（3）End face flush, the end face surrounding of N pole pole pawl and S pole pole pawl all offers recessed
Platform（12）, each permanent magnets outer surface is provided with the tabletting that it is fixed（14）, it is provided with to permanent magnets in concave station
The dead ring being fixed with tabletting（13）.
3. new and effective pair of excitation according to claim 1 and 2 brush hair motor it is characterised in that：Described N pole pole pawl
（2）With S pole pole pawl（3）Central authorities be provided with the yoke being fixed on power transmission shaft（11）, yoke on the pawl of N pole pole and S pole pole
Yoke on pawl contacts, to form internal rotor magnetic circuit（9）；N pole pole pawl and S pole pole pawl are through stator shape rotor exterior magnetic circuit
（8）.
4. new and effective pair of excitation according to claim 1 and 2 brush hair motor it is characterised in that：Described stator（6）、N
Pole pole pawl（2）With S pole pole pawl（3）Material be soft iron, pure iron or stalloy permeability magnetic material.
5. new and effective pair of excitation according to claim 1 and 2 brush hair motor it is characterised in that：Described magnet exciting coil
（4）For self-excitation or his excitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610981445.1A CN106451975A (en) | 2016-11-09 | 2016-11-09 | Novel high efficiency double excitation brush generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610981445.1A CN106451975A (en) | 2016-11-09 | 2016-11-09 | Novel high efficiency double excitation brush generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451975A true CN106451975A (en) | 2017-02-22 |
Family
ID=58208695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610981445.1A Pending CN106451975A (en) | 2016-11-09 | 2016-11-09 | Novel high efficiency double excitation brush generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451975A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614224A (en) * | 2020-06-03 | 2020-09-01 | 黄耿正 | Permanent magnet excitation generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1842955A (en) * | 2004-07-06 | 2006-10-04 | 三菱电机株式会社 | Starter generator for vehicle |
| US20070262672A1 (en) * | 2006-05-15 | 2007-11-15 | Denso Corporation | Rotor for automotive alternator having improved magnet holder |
| CN204967446U (en) * | 2015-09-24 | 2016-01-13 | 辽宁工业大学 | Automobile power generation machine magnet steel separation blade structure |
| CN105262257A (en) * | 2015-11-19 | 2016-01-20 | 清河县驭能电器有限公司 | Automobile generator |
| CN206332593U (en) * | 2016-11-09 | 2017-07-14 | 陈元臣 | New and effective pair of excitation brushes hair motor |
-
2016
- 2016-11-09 CN CN201610981445.1A patent/CN106451975A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1842955A (en) * | 2004-07-06 | 2006-10-04 | 三菱电机株式会社 | Starter generator for vehicle |
| US20070262672A1 (en) * | 2006-05-15 | 2007-11-15 | Denso Corporation | Rotor for automotive alternator having improved magnet holder |
| CN204967446U (en) * | 2015-09-24 | 2016-01-13 | 辽宁工业大学 | Automobile power generation machine magnet steel separation blade structure |
| CN105262257A (en) * | 2015-11-19 | 2016-01-20 | 清河县驭能电器有限公司 | Automobile generator |
| CN206332593U (en) * | 2016-11-09 | 2017-07-14 | 陈元臣 | New and effective pair of excitation brushes hair motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614224A (en) * | 2020-06-03 | 2020-09-01 | 黄耿正 | Permanent magnet excitation generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |